I'm 35 weeks and 4 days pregnant and I've been in and out the hospital alot due to contractions and and mon I lost my mucus plug and last night I went to the bathroom and I whiped and I had light pink dischrage. And then I whiped again and I still what it and before and after I was having cramping and back pain and today I've been having stomach pain on my upper right side. .. any ideal what it could be and if I should be worried